"kzz v time
0.0000000000000	0.0000000000000
0.0250000000000	-0.6206368164209
0.0500000000000	-1.2414520892291
0.0750000000000	-1.8626245925732
0.1000000000000	-2.4843336835152
0.1250000000000	-3.1067595239991
0.1500000000000	-3.7300832623648
0.1750000000000	-4.3544871796093
0.2000000000000	-4.9801548049913
0.2250000000000	-5.6072710050408
0.2500000000000	-6.2360220495688