A 3 minute parabolic trajectory requires at least 40 km of vertical (1/2 g t^2, where t = 90 sec, half the the total time). Hmm. 2/
@tom_wein I was watching for it, but must have missed it. One cut should be enough, very near the middle.
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@tom_wein I was watching for it, but must have missed it. One cut should be enough, very near the middle.