67. The driver of a car makes an emergency stop by slamming on the car's brakes and skidding to a stop. How far would the car have skidded if it had been traveling twice as fast?
(A) 4 times as far
(B) the same distance
(C) 2 times as far
(D)the mass of the car must be known
(A) 4 times as far
(B) the same distance
(C) 2 times as far
d. (D)the mass of the car must be known