A rolling pin rolls down a 2m incline that forms a 60

Question

Problem: A rolling pin rolls down a 2m incline that forms a 60 degree angle with the ground. The rolling pin's moment if inertia is 25 kgM² its mass is 5 kg and its radius is 15 cm.

Part A: What is the final velocity of the rolling pin if there is no friction?

I need help to find the final velocity of the rolling pin if there is no friction.