N
0
20
40
60
80
100
Dive
4
5
6
7
8
9
10
13
14
15
16
17
18
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
72
73
75
76
77
78
79
80
82
83
9170: Surface Velocity
Speed [cm s
-1
]