Pontiac 1993 Sunbird Owner's Manual page 15

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.
1 4
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.