Tomatoes Drop at Increasing Speed

As the game goes on, the tomatoes fall a little faster, by the end it's
pretty tough... and I think the "int" thing makes them drop
two-at-a-time, but I think that we could just end the mini game before
it gets to that point... or figure out a way to fix it.
Merge branch 'master' of https://github.com/Zutazuta/MathGames