Man jumps out of moving roller coaster to save his life — and then gets yelled at by negligent ride operator

Image: Roller coaster seat from unspecified park; Celiafoto / shutterstock.com

A man riding a double-loop roller coaster that was about to take a steep drop heard a strange sound coming from his seat, only to realize his safety lap bar had unlatched. So, with no time to waste, he jumped out of his seat from the coaster's highest point — and survived, tha…