Hey, I am your<em><u> !legendary!</u></em> answerer.
Kinematics is a branch of physics that stems from newtons laws, it is concerned with motion acceleration velocity, etc. 1 of the foundations is newtons first law "Objects at rest will remain at rest, and those in motion will remain in motion unless acted upon".
If you have any questions i <em>DEMAND</em> that you ask in the coments!