An automobile moves on a road with a speed of `54 kmh^(-1)`. The radius of its wheels is `0.45 m` and the moment of inertia of the wheel about its axis of rotation is `3 kg m^(2)`. If the vehicle is brought to rest in `15 s`, the magnitude of average torque transmitted by its brakes to the wheel is

Options

A. `2.86 kg m^(2)s^(-2)`
B. `6.66 kg m^(2)s^(-2)`
C. `8.58 kg m^(2)s^(-2)`
D. `10.86 kg m^(2)s^(-2)`

Answer

2