DENVER — The 27-year old vice president of Jet Pack International was released from the University of Colorado Hospital on Saturday afternoon after a his jet pack crash a day earlier. Nick Macomber was doing a test flight on the property of Go Fast, a Denver energy drink company in the 2600 block of West Eighth Avenue, when he lost control of the jet pack and fell Friday morning. “The guy was bleeding, he had head wounds where he had blood gushing on his face, he was spitting out blood. It looks like he had landed on his knees and...