A particle starts from the rest and moves with a constant acceleration a for time t and covers a distance x1. It continues to move with the same acceleration and covers a distance x2 in the next time interval t. which of the following relations is correct.
(a) x2 - x1.
(b) x2 - 2x1.
(c) x2 - 3x1.
(d) x2 - 4x1.
