The Earth Is Instantly Replaced in Its Orbit by a Speck

Multiple Choice

The Earth is instantly replaced in its orbit by a speck of dust. Which statement best describes the subsequent orbital motion of that piece of dust?

A) The dust particle will move to a larger orbit and orbit the Sun in more than 1 year.
B) The dust particle will be ejected from the Solar System.
C) The dust particle will continue in the same orbit as the Earth did, orbiting the Sun in 1 year.
D) The dust particle will move to a smaller orbit and orbit the Sun in less than 1 year.
E) The dust particle will spiral into the Sun.