10 4 9
{0, 400, 500, 900}
i: 0
speed: 200
distance: 200
distance2: 200
i: 1
speed: 100
distance: 300
distance2: 300
i: 2
speed: 100
distance: 400
distance2: 400
i: 3
speed: 200
distance: 600
distance2: 600
i: 4
speed: 100
distance: 700
distance2: 700
i: 5
speed: 100
distance: 800
distance2: 800
i: 6
speed: 100
distance: 900
distance2: 900
i: 7
speed: 200
distance: 1100
distance2: 100
i: 8
speed: 100
distance: 200
distance2: 200
200