A Car Is Moving at a Constant Velocity When It

Multiple Choice

A car is moving at a constant velocity when it is involved in a collision. The car comes to rest after 0.450 s with an average acceleration of 60.0 m/s² in the direction opposite that of the car's velocity. What was the speed, in km/h, of the car before the collision?

A) 29.2 km/h
B) 44.8 km/h
C) 97.2 km/h
D) 105 km/h
E) 144 km/h