An ice skater slides in a straight line across the ice. as she passes a certain point, her velocity is 24 km/hr. two seconds later it is 13 km/hr. what is the acceleration of the skater? 5.5 km/hr/sec -5.5 km/hr/sec 11 km/hr/sec -11 km/hr/sec

Use the ratio form of kepler’s third law, = , and the data provided to determine the time it takes mars to orbit the sun. round your answer to the nearest tenth. earth’s orbital period = 1.0 earth year earth’s distance from the sun = 1.0 au mars’s distance from the sun = 1.5 au it takes mars about ⇒ 1.8 earth years to orbit the sun.