Part 1: Introduction & 1-D Kinematics

Pluto’s orbit around the Sun is very elliptical. At perihelion, Pluto is the closest it gets to the Sun at a distance of 4.4368x109 km. Its speed there is 6.112 km/s. At aphelion, its farthest distance from the Sun, Pluto is 7.3759x109 km away. How fast is Pluto moving at aphelion? ................
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