Oh, I know what it is! See how each dot is in the same place for the frames, and only the colors change mostly? That's what's causing that. So if you delete a few frames and make something where they're kind of half and half between the other positions (i.e. tweening/inbetweening) you should find it's a LOT smoother.
Oh, I know what it is! See how each dot is in the same place for the frames, and only the colors cha
