New police video, obtained by TMZ Sports, shows Myles Garrett admitted to an officer that he was going around 20 MPH over the speed limit before he crashed his Porsche on Monday.
In the Ohio State Highway Patrol body cam footage, Garrett can be seen in an ambulance moments after the accident in Sharon Township, Medina County ... when an officer began questioning him about the wreck.
The two talked for several minutes about what the Cleveland Browns superstar remembered from the crash ... before the cop eventually asked, "What was your speed approximately?