State which type of variable is plotted on the x-axis
and which type is plotted on the y-axis.

the first step is making objective observations.

they have to be based on a certain event and can be confirmed by others if it is right or not.

when two balls of the different masses are dropped from equal height, they reach the ground at the same time .this is because they experience the same acceleration.

the acceleration is independent of mass.

thus when they are dropped they will always maintain the same velocity and travel the same distance (neglect air resistance of course) at the same time.

i believe the answer is a hope it and is correct