Assertion: A body is momentarily at rest at the instant, if it reverse the direction.
Reason: A body cannot have acceleration, if its velocity is zero at a given instant of time.
Options:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false and R is also false.