"momz v time
0.0000000000000	-0.0000000000000
0.1000000000000	-0.0055632906112
0.2000000000000	-0.0111121485160
0.3000000000000	-0.0166321618436
0.4000000000000	-0.0221089606909
0.5000000000000	-0.0275282380518