The displacement of a particle as a function of time is shown in . It indicates
.

Options

A. the particle starts with a certain velocity but the motion is retarded and finally the particle stops
B. the velocity of the particle is constant throughout
C. the acceleration of the particle is constant
D. the particle starts with a constant velocity, the motion is accelerated and finally the particle moves with another constant velocity

Answer

A

Explanation

`(ds)/(dt) = 0`, finally the particle comes at rest.