"gxz v time
0.0000000000000	0.0000000000000
0.0250000000000	-0.0000833476720
0.0500000000000	-0.0003334866715
0.0750000000000	-0.0007506232950
0.1000000000000	-0.0013350955388
0.1250000000000	-0.0020873676479
0.1500000000000	-0.0030080252658
0.1750000000000	-0.0040977711229
0.2000000000000	-0.0053574212104
0.2250000000000	-0.0067879013908
0.2500000000000	-0.0083902444007