Fun Facts about the name Gratin When was the first name Gratin first recorded in the United States? The oldest recorded birth by the Social Security Administration for the name Gratin is Thursday, October 26th, 1922. How unique is the name Gratin? From 1880 to 2016 less than 5 people per year have been born with the first name Gratin. Hoorah! You are a unique individual. Weird things about the name Gratin: Your name in reverse order is Nitarg.
Comments. Usain Bolt sashayed into the semi-finals of the menâs 200 metres at the IAAF World Championships in Beijing, winning his heat in a time of 20.28 seconds on Tuesday.
As of 20 August 2008, Usain Bolt is the the world's fastest man with a 200 meter sprint of 19.30 seconds, giving an average speed of 10.36 meters per second. There are 1609.344 meters in a mile, so 10.36 m/s / 1609.344 m/mi = 0.0064374 miles/second. There are 3600 seconds in an hour, so 0.0064374 mi/s * 3600 s/hr = 23.175 miles/hour. Usain Bolt clocked an *average* speed of 23.175 mph during his world record run, however he may have achieved speeds of 23-27 mph in the early part of the sprint.