We need to list to answer the question
Answer:
There was more gravity meaning the fall created more speed and hurt more.
Explanation:
The higher you are the more gravity pulls. This means he had more kinetic force falling off the higher area.
No, he can say that's your opinion, but that is a weak ethical argument, he needs to say why he disagrees, and what are his view points on his reasoning, like why does he believe what he believes, just as person A does.