Find the angular acceleration of a pulley of moment of inertia (2 , kg m²). The acceleration of blocks is (2 , m/s²), and there is no slipping anywhere. The radius of the pulley is (0.2 , m).
a) 2 rad/s²
b) 4 rad/s²
c) 6 rad/s²
d) 8 rad/s²