I need help with number 2 pleaseeee!!!

1. A child of mass M is in a swing at the park. The chains have length L. The child is pulled back by their parent to an angle of 60 degrees and released. What is their angular speed when it reaches a maximum? Answer: w = square root mgL/I

2. The child in the previous problem is observed the moment of release. At what rate are they momentarily accelerating? Express your answer in terms of the same parameters given in the problem.