Torque and angular acceleration

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1. 1 2015 AIPMT-II System of Particles and Rotational Motion
   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 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 wheel is:
   A 2.86 kg $m^2s^{-2}$ B 6.66 kg $m^2s^{-2}$ C 8.58 kg $m^2s^{-2}$ D 10.86 kg $m^2s^{-2}$
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