Solve the all parts of following problem given below:
Problem: A football quarterback is moving straight backward at a speed of 2.00 m/s when he throws a pass to a player 17.0 m straight downfield.
Part A: If the ball is thrown at an angle of 20.0° relative to the ground and is caught at the same height as it is released, what is its initial speed relative to the ground?
m/s
Part B: How long does it take to get to the receiver?
s
Part C: What is its maximum height above its point of release?
m
Please explain each step and equations used.