Are the Wave Cyclone sections usually that slow? Or was it due to it being a tutorial? If it was due to being a tutorial, is there anyway to skip it? Or at least make it shorter? Is it possible instead of tracing your route all the way to the next island, make the route as short as possible, get the tutorial over with, and then do a full speed route to the island? Loved Whale point.
Theres one thing i wonder: does after you beat the game, when it loop, difficulty is increased ? If its harder after first loop, me think you should have start from savestate.
I prefer to get the ending that involves the credits, it feels more real, the code needed to even get to these secret levels are inside the credits after the last boss. I can see the speed increase over about 15 frames before returning to normal, but can explain further what you mean by bumping edges are faster.