8. In the annual Empire State Building race contestants run up 1.576 steps to a height of 320m. In 2014, Australian Suzy Walsham won the women's competition in a record-breaking 11 minutes 57 seconds, Swy walsham weighs about 50kg How much work did waisham do in reaching the top of the building? What was her average power output 16,000 J. 22 watts b. 78.800 J, 110 watts c. 156,800 J: 219 watts d. 772, 240 J: 1077 watts A.​