Quote Originally Posted by penagate
In that case, it's still lit, because you said 'just before' it hits the ground. Therefore, just before it runs out of air.
But because the sphere is falling - there is no convection, so the oxygen wont replace the carbon dioxide. So the candle had no oxygen to burn and hence it could go out.

Another alternitive is that through difusion the oxygen will get to the candle. So it will stay lit.

Guess we will just have to try it.