The Earth's gravity causes an object to accelerate at approximately 9.81 meters per second squared (m/s²), which is often rounded to 10 m/s² for simplicity. This means that for every second an object falls, its speed increases by 9.81 meters per second.

Here's what that means:

* Constant acceleration: The acceleration due to gravity is constant, meaning the object's speed increases at a steady rate.

* Independent of mass: The acceleration due to gravity is the same for all objects, regardless of their mass. This is why a feather and a bowling ball fall at the same rate in a vacuum.

* Near the surface: This value of 9.81 m/s² is accurate near the Earth's surface. The further you get from Earth, the weaker the gravitational pull becomes, and the acceleration decreases accordingly.

It's important to note that this value is an approximation. The actual acceleration due to gravity can vary slightly depending on factors like:

* Altitude: The higher you are above the Earth's surface, the weaker the gravitational pull.

* Latitude: The Earth is not a perfect sphere, and the gravitational pull is slightly stronger at the poles than at the equator.

* Local geology: The density of the Earth's crust can also affect the local gravitational field.