The Mars Curiosity Rover left Earth at 7:02 a.m. PST on Nov. 26, 2011 and landed on Mars at 10:32 p.m. PDT on Aug. 5, 2012 and is still in operation today. The rover has a current weight of 3300N. Mars has a mass of 6.39x1023kg and a radius of 3390km. A. What is the freefall acceleration of an object on Mars? B. What is the mass of the Mars Curiosity Rover? C. How much would it weigh on Earth? D. How much work would be required for a Martian to lift the rover 2m at a constant speed on Mars? E. How much work would it have taken a human perform the same lift on Earth