A grey van sped down a Queens bike lane and rear-ended a bicyclist who was thrown onto the asphalt during a harrowing hit-and-run, video posted on Twitter shows.The crash was captured on another cyclist’s GoPro Monday and shows the van veering into the bike lane on a desolate stretch of Greenpoint Ave. near the Long Island Expressway in Long Island City about 6 p.m. Seconds later, the victim is seen sprawled out on his back, screaming in agony, next to his damaged bike.The GoPro user and another cyclist step in to help the victim as the van drives off, the video shows.“Don’t move, lay down. Just don’t move!” the videographer is heard saying to the injured bicyclist. “I’ll call 911.”