## Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)

We know that (a) When the acceleration vector is towards right, the velocity of the particle increases. Hence, the next velocity vector $v_3$ will be greater in length than $v_2$. (b) When the acceleration vector is towards left, then velocity of the particle decreases. Hence, the next vector $v_3$ will be smaller in length than $v_2$.