Re: [ot][spam][crazy][crazy][spam]

[Karl Semich]

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parabola solving.

p0 = x0,y0 = (0,0)
a = 0,g
v0 = v_x,v0_y

v = v0 + a
v_x = v0_x + a_x
v_y = v0_y + a_y
v(t) = v