Rgds,
I did say "uniformly ascending mass of air", I didn't say how one got there. For the given condition it's just a statement of Newton's first law.

If you've done any relativity, you'll know that the twins paradox in special relativity suffers from the same problem.

Derrick Steed
Hi,

But you CAN fool an accelerometer in a uniformly ascending mass of air, but
not a vario...

How? You have to enter that mass of air at some point and there you
will record the acceleration.

Ciao, MM
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