it does not look natural
edit: just focusing on the basket ball right now
Hi, I'll take a stab at this, but I could be totally wrong. You have a good start on this exercise.
- why does the ball accelerate up the hill?
- I know the basketball hits the bowling ball, but it really looks like they just brush each other, I would maybe pick a different collision point.
- since it doesn't look like it really hit, it is weird when it goes up the hill, I also think a basketball is pretty bouncy and there isn't much bounce here
- it would also be easier to look at a render or viewport render, it was sort. of confusing when it went back and forwards with frame numbers.
if you google ball collisions there are a lot of explanations out there, for it to look good the balls have to follow laws of physics, with some modifications.
You're doing great, personally I found this very hard to do and spent weeks on it.