Starting from a stationary position, Rahul pedals his bicycle to attain a velocity of 6 ms–1 in 30 s. Then he applies brakes such that the velocity of the bicycle comes down to 4 ms–1 in the next 5 s. Calculate the acceleration of the bicycle in both the cases.
(A) 0.2 ms–2 and – 0.4 ms–2
(B) 1.5 ms–2 and 4 ms–2
(C) 0.8 ms–2 and – 0.6 ms–2
(D) More than one of the above
(E) None of the above
