Really cute and funny!
I guess the low gravity effect was wanted since it is on the moon. It is a nice touch, just requires some tuning because makes the game feel a bit slow, but I understand that it may not be easy to make it feel right, especially in the time of a jam.
At the end of the level, a counter of the total coins that were present and a way to restart would be useful from a collectibles' point of view.
Congratulation for making your first game btw! You did a great job, I liked playing it :)