![image](https://steemitimages.com/640x0/https://img.esteem.ws/hkz3qeimtu.jpg)
a flying vehicle that gets a push through the reaction, capable of making gas flowing at hypersonic speeds causing a great reactive impulse for rockets
rockets are used to refer to a rocket engine.
Rocket sizes differ from small models that can be bought as fireworks, or hobby rockets, to large ones.....