What quantity is the rate of change of velocity? Displacement Acceleration Final velocity

Acceleration

Explanation:

The quantity of the rate of change of velocity is termed the acceleration of the body.

Acceleration is the rate of change of velocity with time;

  A  =  

A is the acceleration

v is the final velocity

u is the initial velocity

t is the time taken

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

hope this ! : )