Choose the incorrect statement from the following : [JEE Main 2023, 6 Apr (Shift 2)]

The speed of satellite in a given circular orbit remains constant.

When a body falls towards earth, the displacement of earth towards the body is negligible.

For a planet revolving around the sun in an elliptical orbit, the total energy of the planet remains constant.

The linear speed of a planet revolving around the sun remains constant.