Chevrolet 1994 Lumina Owner's Manual page 16

Seats
&
Restraint Systems
Why Safety Belts Work
When you ride in or on anything, you go
as fast as it goes.
1. For example, if the bike is going 10
mph (16 km/h), so is the child.
14
2. When the bike hits the block,
it
stops.
But the child keeps going!
3.
Take the simplest vehicle. Suppose it's
just a seat on wheels.