When something speeds, it moves very fast.
Speeding can be dangerous if you are not careful.
Examples:
The car speeds down the road.
The cheetah speeds across the savanna.
She speeds through her homework so she can go play.
The rocket speeds into outer space.
The rumor about the treasure speeds through the town.
The roller coaster speeds down the track.
The rate at which something moves or happens.
Talking about speeds can be exciting, like when you talk about how fast a car goes.
Examples:
The car is going at a very high speed.
The speed of the computer is very fast.
He was driving at a dangerous speed.
The speed of the waterfall is amazing.
The speed of the cheetah is incredible.
The speed of the train is very impressive.