I think problem is in landscape. It has no collision detection in that place. But also we must try to check if there is math problem. So just add my script to your and update value of 1000 with 5000 and post results picture.
I think problem is in landscape. It has no collision detection in that place. But also we must try to check if there is math problem. So just add my script to your and update value of 1000 with 5000 and post results picture.