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An acrobat swings on a 34.0 m long cable initially inclined at an angle of 32.0°...

An acrobat swings on a 34.0 m long cable initially inclined at an angle of 32.0° with the vertical. (Assume the cable has negligible mass.)

a) What is the acrobat's speed (in m/s) at the bottom of the swing if he starts from rest?

b) What is the acrobat's speed (in m/s) at the bottom of the swing if instead he pushes off with a speed of 5.60 m/s?

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