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Saw that video, and it seems the truck tire had a lot of rotational inertia. The front part of the tire was rotating downward, and the rear of the tire was rotating upward. My assumption is the car struck the tire in the rear, and that upward rotational inertia rapidly translated to the vehicle causing it to launch upwards.
Only time I've seen a wheel come off a vehicle was the first race of our high school electric car, at Lane Benton Community College. Our car lost a wheel because we didn't reverse thread the axle bolt on left side. I sprinted out and had it reattached in a minute with a couple adjustable wrenches. We finished middle of the pack, which isn't bad for an inaugural showing.
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