At v1 amplitude 1 (zero to peak):
v2pp                =  1.672374e+00 from=  0.000000e+00 to=  0.000000e+00

At v1 amplitude 3 (zero to peak):
v2pp                =  2.183601e+00 from=  0.000000e+00 to=  0.000000e+00

At v1 amplitude 4 (zero to peak):
v2pp                =  2.267970e+00 from=  0.000000e+00 to=  0.000000e+00