Question

Name the physical quantity which decides which one is faster or slower and why

Answer 1

$Bonjour$

→That physical quantity is called speed (when no direction is given) and when it has a direction it's called velocity. ...

→ When an object covers distance it is called speed and when the speed is observed going towards a particular direction it is referred to as velocity.....

Answer 2

Answer:

velocity

Explanation:

the physical quantity which decides which one is faster or slower is velocity