Solve the all parts of given question:
Question: A shell is fired with a horizontal velocity in the positive x direction from the top of an 80-m high cliff. The shell strikes the ground 1330 m from the base of the cliff.
Part A: Determine the initial speed of the shell.
Part B: What is the speed of the shell as it hits the ground?
I need help to determine the speed of the shell as it hits the ground.