 Complete the following phrase:  USAC officials visited the Daytona International Speedway while it was still under construction. The officials were impressed by the facility, and expected very high speeds. Immediately, comparisons were being made to the Race of Two Worlds which was held at Monza in 1957 and 1958. The one-lap record in a Championship Car was set on the Monza oval by Tony Bettenhausen at a speed of 177.045 mph. Speeds at Daytona were expected to rival those seen at Monza. The qualifying track record at the Indianapolis 500 was held by Dick Rathmann 145.974 mph from 