not sure about this, there's no real indicator that the spinners should have a speedup so i'll keep them as is because i like it better
https://osu.ppy.sh/wiki/en/Ranking_Criteria/Difficulty_naming#difficulty-naming-schemes-from-other-games
according to the "difficulty naming" section of the ranking criteria that's what the difficulty would have to be named.
additional reference: https://chunithm.fandom.com/wiki/Game_Mechanics