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sandworm101
on Jan 16, 2016
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Why London Underground stopped people walking up t...
It depends. Sometimes the best time to speed is when something else is already accelerating you.
https://en.wikipedia.org/wiki/Oberth_effect
OscarCunningham
on Jan 16, 2016
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I don't think this is one of those cases though. See Terry Tao's take on a similar problem about when to tie your shoelace:
https://terrytao.wordpress.com/2008/12/09/an-airport-inspire...
mjhoy
on Jan 16, 2016
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I believe that is specific to how rocket engines work. I once thought it applied to bicycles, but that must be some other phenomenon...
baq
on Jan 16, 2016
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it certainly applies to bicycles in orbit.
mikeash
on Jan 16, 2016
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Sure, but that's a tiny fraction of all bicycles, probably less than 1%.
* According to current knowledge.
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https://en.wikipedia.org/wiki/Oberth_effect