A cyclist is travelling on a circular section of highway of radius 2500 ft at the speed of 60 mile h−1 . The cyclist suddenly applies the brakes causing the bicycle to slow at constant rate. Knowing that after 8 s the speed has been reduced to 45 mile h −1 . The acceleration of the bicycle immediately after the brakes have been applied is

Question : A cyclist is travelling on a circular section of highway of radius 2500 ft at the speed of 60 mile h−1 . The cyclist suddenly applies the brakes causing the bicycle to slow at constant rate. Knowing that after 8 s the speed has been reduced to 45 mile h −1 . The acceleration of the bicycle immediately after the brakes have been applied is