5
m
/
s
=
____________________
km
/
u
3
m
/
s
=
____________________
,
____________________
km
/
u
20
m
/
s
=
____________________
km
/
u
4
,
5
m
/
s
=
____________________
,
____________________
km
/
u
50
m
/
s
=
____________________
km
/
u
1
,
5
m
/
s
=
____________________
,
____________________
km
/
u
12
m
/
s
=
____________________
,
____________________
km
/
u
15
m
/
s
=
____________________
km
/
u
8
m
/
s
=
____________________
,
____________________
km
/
u
6
m
/
s
=
____________________
,
____________________
km
/
u
18
m
/
s
=
____________________
,
____________________
km
/
u
