Genuinely needs an clearer indicator when you will fall down
Not the dev, and idk how much it'll help you, but watch the monkey's forehead--as long as you can't see any lighter pixels, you aren't at risk of falling. As soon as you can see the monkey's forehead, you're going slow enough to risk fallin'!
In general though it helps me more just to focus on evenly-spaced pulses than scrutinizing the pixels