Two wheels having radii in the radio 1:3 are connected by a common belt. If the smaller wheel is
accelerated from rest at a rate 1.5rad s-2 for 10s. Find the angular velocity of bigger wheel.
(1) 5 rad s-1
(2) 15 rad s-1
(3) 45 rad s-1
(4) 60 rad s-1​