Joaquin Kevin
s= 4 km = 4000 m s= 15 km = 15000 m
v= 5 km/h = 1,4 m/s v= 60 km/h= 16,7 m/s
t=4000/1,4=22857 s = 48 minuten t= 15000/16.7=898 s = 15 minuten
Arvid Delano
s= 12 km = 12000 m s= 15 km = 15000 m
v= 6 m/s v= 3,33 m/s
t=1200/6=2000 s = 33 minuten t=15000/3,33=4505 s= 75 minuten
Kevin, Arvid, Joaquin, Delano