Quiz Me: Quiz Me: 1.3-2 Solve applications involving average rates of change. Question 2 of 5 This quiz: 5 point(s) possible This question: 1 point(s) possible An object dropped from rest from the top of a tall building on Planet X falls a distance d(t) 10t2 feet in the first t seconds. Find the average rate of change of distance with respect to time as t changes from tl = 6 to t2 = 9 This rate is known as the average velocity, or speed feet The average velocity as t changes from 6 to 9 seconds is (Simplify pur answer.)