Hit the deck!
When it comes to testing out a car's performance capability in the simplest and safest way possible, a dyno machine is arguably the best method available. One would probably not anticipate anything potentially dangerous happening just by spinning some tires that are securely strapped to a metal platform. However, every so often something can go wrong, even on a dynamometer. This Mustang owner learned this the hard way when pushing his car to around 150 mph in high gear.
The chaos unfolds right around the 40 second mark. Stand clear!