I think this solution works and it uses a lot of the same ideas as the solution I had in mind.
Here is a way you can try to improve the solution: what if the motion of the paratroopers has to be smooth and their maximum speed is bounded by an absolute constant K>0?
I think this solution works and it uses a lot of the same ideas as the solution I had in mind.
Here is a way you can try to improve the solution: what if the motion of the paratroopers has to be smooth and their maximum speed is bounded by an absolute constant K>0?