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AAAS: It's race day

A few things to consider on the 49th running of the Daytona 500 today:

200 miles per hour: average speed of a racecar
0.7 seconds: reaction time of a race driver
144 feet: how long the car travels during that time

Courtesy of Diandra Leslie-Pelecky of the University of Nebraska, author of the upcoming 'The Physics of NASCAR'.

Posted by Alex Witze on February 18, 2007 04:36 PM |

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