You are not appreciating the force of a car crash. The energy created when a car flips is amazing. Anything inside the car is a flying object, a projectile. If people are not wearing their seat belts, they can be thrown out easily. Doors fly open, windows shatter, rear hatches break off. Watch some car crash videos and see what happens.
Lets watch them
In this example truck is only travelling at a measuring drift speed of 40 mph to its side. You can see the first dummy out is taking pr