Originally Posted by
Vessbot
That is an error (as I pointed out in my own post that you quoted) but not the error, as Excel can't do math on diagrams. But you're welcome to look through his math more specifically, maybe you'll find an error there that I haven't yet.
It's what invalidates his whole idea. An object has one velocity vector in any frame of reference. He tries to say energy calculated in the IFR where the earth is still can be calculated in the in where the air is still.