Determine the Rate Law and the Value of K for the Following

Determine the rate law and the value of k for the following reaction using the data provided. S₂O₈²⁻(aq) + 3 I⁻(aq) → 2 SO₄²⁻(g) + I₃⁻(aq) [S₂O₈²⁻]_i (M) [I⁻]_i (M) Initial Rate
0) 30 0.42 4.54
0) 44 0.42 6.65
0) 44 0.21 3.33

A) Rate = 120 M^-2s^-1 [S₂O₈²⁻]²[I⁻]
B) Rate = 36 M^-1s^-1 [S₂O₈²⁻][I⁻]
C) Rate = 86 M^-2s^-1 [S₂O₈²⁻][I⁻]²
D) Rate = 195 M^-3s^-1 [S₂O₈²⁻]²[I⁻]²
E) Rate = 23 M^-1/2s^-1 [S₂O₈²⁻][I⁻]^1/2