Which graph correctley presents the variation of acceleration due to gravity with the distance form the centre of the earth?

Assuming the earth to be a uniform sphere of mass M and radium R. which of the following graphs represents the variation of acceleration due to gravity with distance .r. from the centre of the earth.

Acceleration due to gravity of earth

Find the acceleration due to gravity at a distance of 20000 kg from the centre of the earth.

Find the acceleration due to gravity at a distance of 20000 km from the centre of the earth.

Find the acceleration due to gravity at a distance of 20000 km from the centre of the earth.

Variation In Acceleration Due To Gravity