3 ms·

Drop it and it will open in free-fall given enough time for the mechanism to react.

• tlrobinson 7y ago
  For a bonus challenge it should also require some sort of manual manipulation while it's in free-fall. Then your options are pretty much sky diving, in space, or a parabolic flight path.
  • mlonkibjuyhv 7y ago
    Do note that falling at terminal velocity is not free fall.
    • HeyLaughingBoy 7y ago
      No, but it's generally close enough for most purposes. Especially for a small object with little wind resistance.