WHILEI SPOIL, VIVILy USCITUed III Life TOTTOWIng Palagiapil. Speed skiing takes human beings as fast as they can go without mechanical propulsion. Picture a skier at the top of a slope so steep it looks like the wall of an elevator shaft. When that skier pushes away and drops into a tuck position, he or she goes from zero to 60 mph in three seconds. In six seconds 100 mph. When the "speed trap" is reached up to 1000 meters from the start, the skier has hit 130 mph. That's accelerating faster than a Ferrari. The men's world record is 139 mph. Given the previous information, what would the speed skier's average acceleration be over the first 3 s of his (or her) descent? Over the first 6 s? Over the second 3 s (that is between 3 s and 6 )? Convert the speeds to m/s before working out your answers to these questions. (Assume that the skier moves in a straight line and doesn't drift left or right)