Concept explainers
Texas Motor Speedway On October 28, 2000 Gil de Ferran set the single-lap average speed record for the then-named California Speedway—241.428 mi /h. The following year, on April 29, 2001, the Championship Auto Racing Teams (CART) organization canceled the inaugural Firestone Firehawk 600 race at the Texas Motor Speedway 2 hours before it was to start. During practice, drivers became dizzy when they reached speeds of more than 230 mph on the high-banked track. The Texas Motor Speedway has turns banked at
In qualifying runs for the race, 21 of 25 drivers complained of dizziness and disorientation. They experienced accelerations of 5.5g (5.5 times
Why did drivers get dizzy and disoriented while driving at the Texas Motor Speedway?
a. The cars were traveling at over 200 mi /h.
b. The track was tilted at an unusually steep angle.
c. On turns, the drivers’ blood tended to drain from their brains into veins in their lower bodies.
d. The g force pushed blood into their heads. e The combination of a and b caused c.
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