F ∗ Δ t = m ∗ Δ x {\displaystyle F * \Delta t = m * \Delta x }
v = Δ x Δ t = x 2 − x 1 t 2 − t 1 {\displaystyle v = \frac{\Delta x}{\Delta t} = \frac{x_2-x_1}{t_2-t_1} }