Arock falls from rest a vertical distance of 0.72 meter to the surface of a planet in 0.63 second. what is the magnitude of the acceleration due to gravity on the planet?

The question is asking to calculate the magnitude of the acceleration due to gravity on the planet and base on the given of the problem and in my further calculation, the magnitude would be 3.638 m/s^2. I hope you are satisfied with my answer and feel free to ask for more