why does it always speed up?!?! I did not even have it on max speed this time but yet it still speed up!! >:/

I sumbmitted this little anim to the livestream, so keep an eye out for that (livestream: https://loc.twentyonepilots.com/submission/9bcf9e32-cba3-45c2-e8ea-1a364db82c4c)