An Elevator Is Moving Upward with Constant Acceleration

Multiple Choice

An elevator is moving upward with constant acceleration.The dashed curve shows the position y of the ceiling of the elevator as a function of the time t.At the instant indicated by the dot, a bolt breaks loose and drops from the ceiling.Which curve best represents the position of the bolt as a function of time?

A) A
B) B
C) C
D) D
E) E