An object with a mass of 2000 g accelerates 8.3 m/s2 when an unknown force is applied to it. What is the amount of the force?

Chameleons catch insects with their tongues, which they can rapidly extend to great lengths. in a typical strike, the chameleon's tongue accelerates at a remarkable 220 m/s2 for 20 ms, then travels at constant speed for another 30 ms.