Help baby crawl/scoot

My son is 6 months old and just recently discovered he loves to roll over onto his belly. He had rolled over a few times before but never had any interest in it. Now he’s constantly on his stomach but HATES it, I can see him trying to scoot or get on his knees but he hasn’t quite figured it out yet and he gets so frustrated and has a meltdown, I roll him back over but hes immediately on his stomach 2 seconds later. I lay on the floor with him, he has a mirror, his favorite toys, I’ve tried letting him play in only a diaper because he’s happier without clothes on but nothing seems to help. I can see his frustration but I honestly don’t know how to help him and play time ends up being kind of miserable. Does anyone have any tips or advice? Thank you!