v *= b2Clamp(1.0f - h * b->m_linearDamping, 0.0f, 1.0f);

#!/usr/bin/python

v = 10
step = 0
h = 1/120.0
time = 0.0

while v > 1 :
    v *= ( 1 - h * 0.05 )
    step += 1
    time += h
    print( "step %d, time %f, v %f" % ( step, time, v ) )

step 1, time 0.008333, v 9.995833
...
step 5525, time 46.041667, v 1.000022
step 5526, time 46.050000, v 0.999605