{"speed.before":1.25,"speed.after":2.4}
{"speed.before":2.94,"speed.after":3.5}
{"speed.before":2.38,"speed.after":4.49}
{"speed.before":3.09,"speed.after":3.17}
{"speed.before":3.41,"speed.after":5.26}
{"speed.before":3,"speed.after":3.22}
{"speed.before":2.31,"speed.after":2.32}
{"speed.before":2.93,"speed.after":3.31}
{"speed.before":2.98,"speed.after":3.7}
{"speed.before":3.55,"speed.after":4.7}
{"speed.before":2.84,"speed.after":4.94}
{"speed.before":1.64,"speed.after":5.06}
{"speed.before":3.22,"speed.after":3.22}
{"speed.before":2.87,"speed.after":3.52}
{"speed.before":2.37,"speed.after":5.45}
{"speed.before":1.91,"speed.after":3.4}