Question a fireman starts from rest with his feet 180 ft, Ask an Expert

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Question: A fireman starts from rest with his feet 18.0 ft above the ground and slides down a pole with a downward acceleration of 10.0 ft/s². After 1.20 s, the fireman grips the pole tighter to maintain an acceleration of 6.00 ft/s² upward.

Part A: How fast will he be going when his feet touch the ground?

I need help to find how fast be going when his feet touch the ground.

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