mcastan2 mcastan2 14-09-2022 Physics Answered 19. Mr. Watkins warms up by walking 100 meters at 0.5 m/s, and then runs 100 meters at 9.3 m/s. What isthe runner's average speed? [t=d/s] [Speed=total distance/time] A. 0.95 m/s B.0.34 m C. 0.9 s D. 0.72 m/s