Which answer would score higher? Not sure where to start? Explain this Answer A The new reaction time is 0.82 s, so extra thinking distance = 15 × 0.82 = 12.3 m. Answer B The extra reaction time = 0.82 − 0.50 = 0.32 s. The extra thinking distance = 15 × 0.32 = 4.8 m.