You are sitting behind the wheel in a car keeping a constant speed,  on you left side there is an abyss.

On your right side you have a fire engine  and it keeps the same speed as you.

In front of you runs a pig, larger than you car.

A helicopter is following you, at ground level.

Both the helicopter and the pig are keeping the same speed as you.

What will you need to do to be able to stop?


Answer:
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Get out of the car, step down from  the merry-go-round and leave you seat to someone younger.

The children's merry-go-round  in the amusement park is primarily for the younger children.