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A solid steel pulley (density = 8000 kg/m^3) has a 385 mm OD and is 150...

A solid steel pulley (density = 8000 kg/m^3) has a 385 mm OD and is 150 mm wide. It is attached to a motor that is capable of delivering 235 N*m of torque. The polar moment of inertia of the pulley is 2.5884 kg*m^2.   

What is the maximum possible angular acceleration when lifting a 570 N load?

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