A Car Is Able to Stop in a Distance D $\sqrt { 2 }$

Multiple Choice

A car is able to stop in a distance d. Assuming the same braking force (and therefore the same acceleration) , what distance does this car require to stop when it is traveling twice as fast?

A) d
B) 2d
C) $\sqrt { 2 }$ d
D) 4d
E) 2 $\sqrt { 2 }$ d