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The orbital speed of Mars varies greatly due to the planet's highly eccentric orbit. As Mars gets closer to the Sun, it accelerates in speed, due to being pulled more by the Sun's gravity, but as it gets farther away from the Sun, it slows down a bit because it is too far to be affected by the Sun's gravity as much as it was affected while it was closer to the Sun on the course of its orbit.

In conclusion, the fastest orbital speed Mars can accelerate to as it orbits is 59,292 mph or 16.47 mi/s (95,400 km/hr or 26.50 km/s), and the slowest it can get during the course of its orbit is 49,145 mph or 13.65 mi/s (79,092 km/hr or 21.97 km/s). Mars's average orbital speed, which is the average of its minimum and maximum speed, is equal to 53,977 mph or 14.99 mi/s (86,868 km/hr or 24.13 km/s).

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12y ago

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