**Data for figure 5(b). Columns are (1) Velocity (m/s); (2) Signal for t_off =12ms; (3) Signal for t_off =13.25ms; (4) Signal for t_off =15ms **
2.25	0.	0.465	5.421
4.75	0.	18.426	8.013
7.25	0.	40.347	10.611
9.75	3.621	34.068	14.841
12.25	9.948	20.535	15.789
14.75	12.207	25.179	18.135
17.25	15.144	40.35	22.353
19.75	61.341	46.167	25.896
22.25	165.666	43.119	29.208
24.75	157.044	43.365	32.508
27.25	74.235	44.31	35.322
29.75	64.047	42.66	36.042
32.25	63.141	45.015	39.33
34.75	67.71	48.072	42.369
37.25	73.365	48.516	44.241
39.75	61.122	51.771	46.584
42.25	51.423	53.16	51.3
44.75	51.855	50.34	52.011
47.25	55.206	49.644	50.805
49.75	53.829	49.665	47.091
52.25	49.11	44.313	47.1
54.75	47.997	40.59	50.376
57.25	45.042	44.334	48.987
59.75	45.279	45.267	47.547
62.25	45.729	45.228	48.714
64.75	50.46	48.945	49.434
67.25	57.696	48.486	47.787
69.75	51.36	51.996	47.079
72.25	45.702	49.671	45.939
74.75	45.267	43.809	46.638
77.25	41.661	49.404	47.793
79.75	40.758	49.221	46.383
82.25	43.914	42.453	49.437
84.75	43.233	42.447	48.012
87.25	41.214	45.741	44.493
89.75	40.977	41.064	45.894
92.25	38.691	34.761	38.388
94.75	34.872	30.318	31.356
97.25	33.528	27.03	36.501
99.75	32.562	30.765	33.195
102.25	29.148	31.242	30.369
104.75	27.597	28.212	30.63
107.25	23.55	26.802	22.398
109.75	20.16	29.109	21.225
112.25	23.991	29.586	20.751
114.75	23.769	26.349	18.357
117.25	23.085	22.617	20.244
119.75	21.033	23.073	23.07
122.25	19.002	26.088	20.718
124.75	21.498	24.462	22.362
127.25	24.222	29.361	28.023
129.75	30.78	31.452	27.549
132.25	39.138	30.288	31.077
134.75	43.914	37.275	38.145
137.25	47.553	45.429	44.715
139.75	56.163	55.461	55.575
142.25	64.296	65.973	60.72
144.75	62.895	74.37	62.124
147.25	66.756	71.079	62.646
149.75	69.486	60.573	59.103
152.25	60.876	55.008	56.247
154.75	58.617	56.424	62.133
157.25	68.358	72.285	76.533
159.75	87.15	98.445	87.396
162.25	113.568	121.569	106.002
164.75	132.816	131.751	119.646
167.25	130.14	132.384	112.8
169.75	114.96	115.434	101.214
172.25	97.113	96.114	92.037
174.75	94.86	97.278	93.234
177.25	98.217	102.183	101.22
179.75	92.343	94.452	95.811
182.25	78.798	79.299	82.407
184.75	67.899	69.528	69.909
187.25	58.638	65.556	54.147
189.75	45.537	54.339	46.605
192.25	40.296	38.235	40.689
194.75	35.742	31.95	31.086
197.25	27.813	28.212	26.862
199.75	22.845	21.219	23.796
202.25	18.333	16.317	19.068
204.75	13.131	14.46	15.285
207.25	11.55	10.272	12.471
209.75	9.282	7.443	10.341
212.25	5.424	8.148	7.743
214.75	4.299	5.358	4.47
217.25	3.846	3.012	4.008
219.75	2.265	1.857	3.525
222.25	2.037	1.635	2.346
224.75	2.034	2.097	2.115
227.25	1.131	1.632	0.708
229.75	0.906	0.933	0.
232.25	0.228	0.93	0.
234.75	0.456	0.699	0.
237.25	0.456	0.	0.237
239.75	0.225	0.231	0.237
242.25	0.225	0.231	0.234
244.75	0.	0.	0.468