OR MATH 100A Al X WeBWork : 20 x SFU The Rate of Ch X C Solved: Recall X Airplane V 41 X C The line tange X Course Hero x Course Hero X Course Hero X + V X -> C a webwork.elearning.ubc.ca/webwork2/2022W1_MATH_100A_ALL_2022W1/Webwork-Assignment-4/17/?effectiveUser=OXGYM7W4F603 * Y Previous Problem Problem List Next Problem (1 point) A ball is thrown upwards from the top of a building of height h. The height of the ball after t seconds is given by Y(t) = h+ st- 2gt2 where h, s and g are positive constants. a) Assuming the ball is still in flight after 1 second, find the average velocity over the time interval 0