The rate of acceleration an object encounters in free fall is approximately 9.8 m/s², which is also known as g, the acceleration due to gravity.

Here's what it means:

* Acceleration: This means the object's velocity is increasing by 9.8 meters per second every second.

* Free fall: This means the only force acting on the object is gravity. Air resistance is ignored in this ideal scenario.

Important points:

* This value of 9.8 m/s² is an approximation. The actual acceleration due to gravity varies slightly depending on factors like altitude and latitude.

* The direction of acceleration is always downwards, towards the center of the Earth.

* This applies to all objects in free fall, regardless of their mass.

Let me know if you have any other questions!