Gravitational time dilation and the acceleration due to gravity are two separate phenomena that have distinct effects on objects in a gravitational field. It's important to understand the difference between them.
Gravitational time dilation is a consequence of general relativity, which states that time runs slower in a stronger gravitational field. This means that clocks closer to a massive object will tick slower compared to clocks farther away. However, the effect of gravitational time dilation on everyday life is relatively minuscule unless you're dealing with extreme gravitational fields, such as near a black hole.
On the other hand, the acceleration experienced by objects near the Earth's surface is due to the force of gravity. Gravity is the force that attracts objects with mass towards each other, and near the Earth's surface, it causes all objects to accelerate downward at approximately 9.8 meters per second squared (often referred to as "g").
The reason the acceleration due to gravity is dramatic near the Earth's surface is because the Earth's mass is concentrated at its center. As you move away from the surface, the gravitational force weakens, resulting in a decrease in acceleration. At a few hundred feet above the Earth, the difference in gravitational acceleration is relatively small, and the difference in gravitational time dilation is even smaller.
So, while gravitational time dilation may have a small effect on the passage of time, it doesn't directly cause the dramatic acceleration objects experience when falling towards the ground. That acceleration is primarily caused by the force of gravity acting on the objects.