This glitch allow you to make fireball to stop their speed to 0

This glitch can be done by following the stepst:
1. Spawn a Ghast/Go to the Nether
2. Wait for a Ghast to shoot you
3. While it it's shooting. Press ESC
4. Go to option and change the dificulty to Peaceful
5. Then Save to Title screen
6. Enter again in the game and you can see the fireball hanging in air