40
0.0107
840 feet/40 seconds = 21 feet per second.840 feet/40 seconds = 21 feet per second.840 feet/40 seconds = 21 feet per second.840 feet/40 seconds = 21 feet per second.
0.006
40
840
0.0107
0.0036
8
120
840 feet/40 seconds = 21 feet per second.840 feet/40 seconds = 21 feet per second.840 feet/40 seconds = 21 feet per second.840 feet/40 seconds = 21 feet per second.
0.006
14
93.3333
24
0.0405
9.0323
210