4.In which situation will sound travel faster? A when the sound produced is very loud B. when someone is simply talking to you from a distance C. when someone strikes two stones while you are under a pool D. when someone knocks at a wall and your ear is on the other side of the wall 5. What happens when you cup your hands around your mouth while you are shouting? A pitch of sound increases B. pitch of sound decreases C.volume of sound increases D.volume of sound decreases