Example The velocity of a sledge as it slides down a hill is shown in the graph. Find the acceleration of the sledge when t = 6 s.

Here, we report the measurement of the instantaneous ballistic velocity of Brownian nanocrystals suspended in both aqueous and organic solvents.

Example The velocity of a sledge as it slides down a hill is shown in the graph. Find the acceleration of the sledge when t = 6s.