t = 0 (slider from 0 to 5)
vx = 1 (slider from -5 to 5)
vy = 2 (slider from -5 to 5)
x0 = -3 (slider from -5 to 5)
y0 = -4 (slider from -5 to 5)
A: (x0 + (vx * t), y0 + (vy * t))