Question

The closer a planet is to the Sun, the its orbital motion is, and the the gravitational force between the planet and the Sun is.

Answer 1

Stronger. The sun has an immense gravitational pull that drags planets into orbit and keeps them orbiting for millions and millions of years.

Answer 2

The closer a planet is to the Sun, the FASTER  its orbital motion is, and the STRONGER gravitational force between the planet and the Sun is.