Can anyone please explain why acceleration is squared? and why the square goes away in the answer to a problem?

Question

anonymous · Answer

what? o.O

Can you mention the context? or an example?

anonymous · Answer

what a question .. ;p

anonymous · Answer

acceleration is rate of change of velocity i.e. change of velocity per time.
velocity unit is meter per second 
now for acceleration it becomes (meter per second)per second
now that is meter per second square so that is

masumanwar · Answer

acceleration is the time rate of change of velocity and velocity is the time rate of change of displacement  therefore it appeared as the squared rate of change of displacement with time although it is not apeared in unit only second