A massless string is wrapped around a disc of mass M and radius R. Another end is tied
to a mass m which is initially at height h from ground level as shown in the figure. If the
mass is released then its velocity while touching the ground level will be :
![148632_87edbb03ab4648f3a79108f4d9c685c3.png](https://search-static.byjusweb.com/question-images/toppr_invalid/questions/148632_87edbb03ab4648f3a79108f4d9c685c3.png)