Tesla’s all-wheel drive Model S P85D was designed as a sports car for the electric age. To convince car buyers that electric vehicles could be quick and powerful, Tesla designed the P85D to accelerate from zero to 60 miles per hour in 3.2 seconds and reach top speeds of 155 mph.

If Tesla founder Elon Musk’s goal was to wow people, he seems to have succeeded. In a video uploaded by Dragtimes, riders experience the car’s rapid acceleration for the first time. It elicits screams, curses, shock, and facial expressions that might be better suited to one of Musk’s SpaceX rocket takeoffs.

The car, which sells new for $104,500, has 691 horsepower (221 hp front, 470 hp in the rear) and features an autopilot mode that uses cameras and ultrasonic sensors to read speed limits, monitor other cars on the road and park automatically.

In the video, driver Brooks Weisblat refers to an “insane” mode button on the car’s display—that’s the name of the option drivers have for a super acceleration. It’s that, or a decelerated “sport” mode. Both sound pretty good.

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