According to Kepler's second law, which factor is constant as a line between a planet and the sun sweeps out two equal areas at different places as it moves along its orbit?

(1 point)
the planet's speed
the amount of time
the distance the planet moves
the distance from the sun to the planet

According to Kepler's second law, the planet's speed is constant as a line between a planet and the sun sweeps out two equal areas at different places as it moves along its orbit.