PhysicsMedium65×since 2002Q7853A body travels 102.5 m102.5 \mathrm{~m}102.5 m in nth \mathrm{n}^{\text {th }}nth second and 115.0 m115.0 \mathrm{~m}115.0 m in (n+2)th (\mathrm{n}+2)^{\text {th }}(n+2)th second. The acceleration is :A6.25 m/s26.25 \mathrm{~m} / \mathrm{s}^26.25 m/s2B5 m/s25 \mathrm{~m} / \mathrm{s}^25 m/s2C12.5 m/s212.5 \mathrm{~m} / \mathrm{s}^212.5 m/s2D9 m/s29 \mathrm{~m} / \mathrm{s}^29 m/s2Check answerSkip