Which answer would score higher? Not sure where to start? Explain this Answer A First, 500 ms = 0.500 s and Δv = 3.5 − 1.5 = 2.0 m/s. Therefore F = 24 × 2.0 / 0.500 = 96 N. Answer B First, the time is taken as 500 s and Δv = 3.5 − 1.5 = 2.0 m/s. Therefore F = 24 × 2.0 / 500 = 0.096 N.