Consider an Asteroid in an Elliptical Orbit Whose Closest Point $r_{c}=1 \mathrm{AU}$

Multiple Choice

Consider an asteroid in an elliptical orbit whose closest point to the sun is $r_{c}=1 \mathrm{AU}$ and farthest point is $7 \mathrm{AU}$ from the sun. Its orbital period is

A) $1 \mathrm{yr}$
B) $(3.5) ^{2 / 3} y=2.31 y$
C) $4 \mathrm{yr}$
D) $8^{3 / 2} y=22.6 y$
E) Some other period (specify)