Henry Ruggs was flying down a Las Vegas street seconds before he crashed into a Toyota killing the driver ... and you can almost feel the speed by looking at this surveillance video.
The video captures Ruggs' Corvette going at 156 miles an hour ... authorities say that's the speed captured on the car's onboard computer. The surveillance video -- obtained by TMZ Sports -- was shot about a block away from impact.
You can see from this side-by-side the red on both images .