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An automobile moves on a road with a spe...

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

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`

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