mercredi 29 novembre 2017

For Less Money Too!

I intended to cover that when I said that at 30km "you'll take much longer to hit the ground than if you had simply stopped and dropped from wherever your Ap is".

Coming in fast for a 30km Pe, when you're actually at 30km then Pe is already far under the surface, and Ap might well be somewhere around the 70km mark.

Now, if you'd actually stopped and dropped from 70km, Ap would now be much lower (due to drag slowing your descent) but you'd be heading far faster towards the ground because your retrograde drag would not not be trumping gravity like it does when you are going fast.For Less Money Too!

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