The position of a particle, with respect to an initial point, after t seconds is given by the function s(t) = t² – 2t + In(t + 1) where s is measured in meters. What is the velocity of the particle after 2 seconds? After how many seconds has the acceleration of the particle reached 1.96 m/s??

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Rate of Change

The relation between two quantities which displays how much greater one quantity is than another is called ratio.

Slope

The change in the vertical distances is known as the rise and the change in the horizontal distances is known as the run. So, the rise divided by run is nothing but a slope value. It is calculated with simple algebraic equations as: