Awesome. One question. How do we speed it up? Does it just happen? I struggle because it feels like praticing at speed is a qualitatively different rep than practicing slowly. Certainly haven't mastered slow practice, so maybe this is a cart before the horse question. Or maybe it's rocking the apple cart some. Then again, maybe a cart isn't involved at all.
I think the answer is this: always strive to operate at the edge of your capability. As you improve and can do the motion at, for example, 25% speed you can move to 30% speed. Make - and immediately correct - the small mistakes that appear at 30%, and then eventually you'll get to 35%. And 40%. And 70%. And 100%.