Spear/Javelin fps chart
 

Spears
IAS needed for certain hitting speed
fps * [20] [0] [-10] [-20]
20/9 0
19/9 5
19/8 9
18/8 10
17/8 15
16/8 16
15/7 24 0
14/7 37 9
13/7 50 ? 0
13/6 55 18 6 0
12/6 70 30 16 5
11/6 99 48 30 16
11/5 120 60 40 25
10/5 147 75 52 34
9/5 250 125 89 63
9/4 460 200 145 105

Javelins
IAS needed for certain hitting speed
fps * [20] [10] [0] [-10]
16/8 0
15/8 2
14/7 7 0
13/7 14 3
12/6 24 11 0
11/6 39 23 10 0
10/6 58 39 23 10
10/5 65 40 25 15
9/5 89 63 42 26
8/5 142 102 72 50
8/4 170 120 90 60
7/4 270 187 133 95

Spear Jab tables
IAS needed for certain hitting speed
fps [20] [0] [-10] [-20]
14 0
13 5
12 10
11.5 15
10.5 20 0
9.5 30 5
9 40 10 0
8.5 50 15 5
8 60 25 10 0
7.5 70 30 20 5
7 90 40 25 15
6.5 115 60 40 25
6 155 80 55 35
5.5 225 115 80 60
5 ? 175 125 90
4.5 ? ? 210 150
4 ? ? ? 295

Javelins Jab tables
IAS needed for certain hitting speed
fps [20] [10] [0] [-10]
12 0
11.5 5
10.5 10 0
10 15 ?
9.5 ? 5
9 20 10 0
8.5 30 15 5
8 35 20 10 0
7.5 45 30 15 5
7 55 35 20 10
6.5 70 50 30 15
6 90 60 40 25
5.5 120 90 60 40
5 175 125 90 65
4.5 280 195 140 100
4 ? ? 240 170