Okay, little friend! Imagine you are playing a game of tag, and you want to catch your friends really quickly. Police cars are like super-fast runners in that game!
They are made to go very fast because police officers need to help people quickly when there’s trouble. Just like how a superhero flies fast to save the day, police cars zoom around to reach places where help is needed right away.
When the lights on top of the police car start to flash and they make a loud noise, they are telling everyone to get out of the way because they need to go super fast. They are very important because they keep us safe and help keep the rules in our town!
So, that's why police cars are built for speed, like your favorite superhero running to save the day!