A cyclist is riding with a speed of 27 `kmh^(-1)` . As he approaches a circular turn on the road of radius 80m, he applies brakes and reduces his speed at the constant rate of 0.50` ms^(-1)` every second. The net acceleration of the cyclist on the circular turn is

Options

A. `0.68 ms^(-2)`
B. `0.86 ms^(-2)`
C. `0.56 ms^(-2)`
D. `0.76 ms^(-2)`

Answer

B