The tractor shown is stuck with its right track off the ground, and therefore the track is...

The tractor shown is stuck with its right track off the ground, and therefore the track is able to move without causing the tractor to move. Letting the radius of sprocket A be d = 2.5 ft and the radius of sprocket B be ℓ = 2 ft, determine the angular speed of wheel B if the sprocket A is rotating at 1 rpm.

Figure P6.13