Driving Around in Circles

The Indianapolis 500-Mile Race takes place today, where Formula One race cars make 200 laps around a track. The fastest Indy 500 time was 2 hours, 37 minutes, and 19 seconds. Helio Castroneves was averaging 190.6 miles-per-hour! The first Indy 500, in 19 11, was much slower. The winner averaged only 74 miles-per-hour.