The final velocity of the freely falling body, when it reaches the ground in ‘t’ seconds is

Given that a body is falling freely

So u = 0

Acceleration $\text{a}=+\text{g}$

Final velocity v

Time taken = t

We know$\text{v}=\text{u}+\text{at}$ $\Rightarrow \text{v}=\text{gt}$