I just tried some speeds with LJstats speedmeter, and i came up with:
203 Standup, 67 ducking.
And when u climb the ladder with WA or WD u will come up in higher speed, so that is:
Standup: 399, 133 ducking.
So 203/67 = 3.02 and 399/133 = 3. So the calculation for speed is / 3 for duck speed.
