If the ball is released from rest at a height of 0.67 above the bottom of the track on the no-slip side, what is its angular speed when it is on the

If the ball is released from rest at a height of 0.67 above the bottom of the track on the no-slip side, what is its angular speed when it is on the frictionless side of the track? Assume the ball is a solid sphere of radius 2.2 and mass 0.14 .