Compute all parts of given question:
Question: The Height of a cliff relative to the ocean below is 57 m. Someone kicks a rock horizontally off of the cliff and hears the sound 4.62s later.
Part I: How long does it take for the rock to hit the water?
Part II: How far must the sound travel to get back to the cliff? Assume that sound moves in a straight line with a speed of 343 m/s.
Part III: Relative to the base of the cliff, where does the rock hit the water?
Part IV: What was the initial speed given to the rock?
Please show me step by step or type in formulas used. I am so lost!!