A solar-powered car is traveling at constant speed around a circular track. what happens to the centripetal acceleration of the car if the speed is doubled?
a. the centripetal acceleration remains the same.
b. the centripetal acceleration increases by a factor of 2.
c. the centripetal acceleration is decreased by a factor of one-fourth.
d. the centripetal acceleration increases by a factor of 4.
e. the centripetal acceleration is decreased by a factor of one-half. answer: