How fast can a Formula 1 car go?
British Grand Prix
1985 was to see Keke Rosberg set the all-time Formula 1 qualifying lap record for 17 years after posting fastest qualifying time for the race with an average speed of 258.983 km/h (160.92 mph). Silverstone, which was already a very fast circuit, was becoming faster and faster and the cars were lapping the circuit in the low 1-minute range. The race was an exciting one with Brazilian rising star Ayrton Senna making a great start from 4th and taking the lead by the first corner. He led until late in the race, when his car was running out of fuel while Prost was pushing him hard; Senna eventually ran out of fuel and Prost went on to take victory. 1986 saw a huge crowd thanks to Mansell being a favourite to win; his newly found fame and place in a competitive team would help the British Grand Prix to see huge crowds for several years. This race saw 42-year-old Jacques Laffite get involved in a first corner accident and slam head-on into the barriers, breaking both his legs and ending his Formula One career. Nigel Mansell, whose car broke at the start of the first race, got into his teammate Piquet's spare car and won the race; although this was the last F1 race at Brands Hatch. A number of people had concerns about the speeds of the cars on the small track; particularly the European Grand Prix held at Brands Hatch the previous year. The southern English circuit was getting to be very fast- now with these 1,000+ hp, 1,180 pound cars, pole sitter Piquet's average qualifying speed was 140.483 mph (227.583 km/h) and his lap time was in the 1 minute 6-second range, compared to the 1 minute 20-second range in 1976. But Brands Hatch's demise was for political reasons- the international motorsports governing body at the time, FISA, had instituted a policy of long-term contracts for one circuit per Grand Prix. Brands Hatch was perceived as a poorer facility, and considering most of the track was located in a very old forest it did have very little run-off and room to expand, something Silverstone had in acres. Silverstone and the BRDC had signed a seven-year contract with Formula 1 and FISA at some point in 1986, to run from 1987 to 1993.
Formula One racing
The 107% rule was removed since the FIA's rules indicated previously that 24 cars can take the start of a Formula One race, and a minimum of twenty cars must enter a race. In , the qualifying procedure changed to a single-lap system, rendering the rule inoperable. However, there were concerns about the pace of the new teams in the 2010 season. As the qualifying procedure had been changed since the 2006 season to a three-part knockout system, the rule could now be reintroduced. As such, the 107% rule has been reintroduced for the 2011 Formula One season. Currently, cars have to be within 107% of the fastest Q1 time in order to qualify for the race. Since the rule was re-introduced, only twice have cars failed to qualify for a Grand Prix - both times involving Hispania Racing cars and both times occurring at the Australian Grand Prix, namely in 2011 (through Vitantonio Liuzzi and Narain Karthikeyan) and 2012 (through Karthikeyan and Pedro de la Rosa). On other occasions, however, drivers who had not set a time within the desired 107% span during qualifying have been permitted to race by the stewards on grounds of corresponding lap times in free practice. For example, in the 2018 British Grand Prix neither Lance Stroll nor Brendon Hartley were able to set a time in Q1, but both were allowed to race at the stewards' discretion.