There's no single "acceleration due to gravity" for the Sun, because gravity depends on distance from the center of mass. However, we can calculate the surface gravity of the Sun, which is the acceleration due to gravity at its surface. Here's how:

Formula:

* g = GM/R²

Where:

* g = acceleration due to gravity

* G = gravitational constant (6.674 x 10⁻¹¹ m³ kg⁻¹ s⁻²)

* M = mass of the Sun (1.989 x 10³⁰ kg)

* R = radius of the Sun (6.96 x 10⁸ m)

Calculation:

* g = (6.674 x 10⁻¹¹ m³ kg⁻¹ s⁻²) * (1.989 x 10³⁰ kg) / (6.96 x 10⁸ m)²

* g ≈ 274 m/s²

Therefore, the approximate acceleration due to gravity at the Sun's surface is about 274 m/s². This is about 28 times stronger than Earth's gravity!

Important Note: This is just an approximation. The Sun is not a perfect sphere, and its density varies throughout its structure. This means the actual acceleration due to gravity can vary slightly across its surface.