Interesting stuff here. Cliffnotes is higher RPE seems better for muscle growth and lower RPE seems better for strength. Stopping your sets and reps while they're still moving fast seems to produce better strength gains than keeping going till your bar speed slows down.
Code:
https://journals.lww.com/nsca-jscr/pages/articleviewer.aspx?year=2020&issue=01000&article=00006&type=Fulltext
