Two Cars Are Traveling at the Same Speed and Hit

Multiple Choice

Two cars are traveling at the same speed and hit the brakes at the same time.Car A decelerates (decreases its velocity) at twice the rate of car B.If car A travels a distance D before stopping,how far does car B travel before stopping?

A) 4D
B) 2D
C) D
D) D/2
E) D/4