Rolling without slipping

A soccer ball of diameter \(22.6\text{ cm}\) and mass \(426\text{ g}\) rolls up a hill without slipping, reaching a maximum height of \(5\text{ m}\) above the base of the hill. We can model this ball as a thin-walled hollow sphere. What was its translational speed at the base of the hill? Assume no energy loss by friction. Leave your answer to 2 dp.

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