Starting at (WA)o = 3 rad/s, when 0 = 0, s = 0, pulley A is given an angular acceleration a = (0.60) rad/s², where 0 is in radians. Determine the speed of block B when it has risen s = 0.5 m. The pulley has an inner hub D which is fixed to. C and turns with it. A 50 mum 75 mm 150 mrn B