Remix or look inside to see how we get the floor to move so that it looks like the cat is running along it. There's also a Rainbow sprite moving at the same speed. There's a quick and easy way to get everything to slow down or speed up - can you find it?!
Based on this: https://scratch.mit.edu/projects/402519204/ which I found when searching for advice on how to get a scrolling background effect in Scratch: https://scratch.mit.edu/discuss/topic/411463/