If the Earth was close to Jupiter the orbits of her moons appeared to speed up, if the Earth was far from Jupiter they seemed to slow down.
(the Earth; was; close to Jupiter) (they; to slow down; ) (the orbits of her moons; to speed up; ) (the Earth; was; far from Jupiter)
the Earth they the orbits of her moons the Earth
was to slow down to speed up was
close to Jupiter
far from Jupiter