QUESTION 8 If a ball is dropped from the top of a 100 meter tall building, the height, 3, of the ball tseconds after it is dropped can be found with the function 5 (I) = 100 - 4. 9t2. Which of the following is true about the expression 5 ' (5 .001)? It represents the instantaneous velocity at 5.001 seconds ' It represents the instantaneous height at 5.001 seconds It represents the distance travelled by the ball at 5.001 seconds. " It represents the average velocity of the ball between 5 seconds and 5.001 seconds. QUESTION 9 The table below, gives the position of a particle, s, as a function of time, t. Assume this particle moves continuously. Based on this table which of the following statements is true for 0 s s 5 '? The rst derivative is positive. and the second derivative is negative. ' The rst and second derivatives are positive " The rst and second derivatives are negative " The rst derivative is negative, and the second derivative is positive