Question: Suppose a plane accelerates from rest for (30 mathrm{~s}), achieving a takeoff speed of (80 mathrm{~m} / mathrm{s}) after traveling a distance of (1200 mathrm{~m})

Suppose a plane accelerates from rest for $30 \mathrm{~s}$, achieving a takeoff speed of $80 \mathrm{~m} / \mathrm{s}$ after traveling a distance of $1200 \mathrm{~m}$ down the runway. A smaller plane with the same acceleration has a takeoff speed of $40 \mathrm{~m} / \mathrm{s}$. Starting from rest, after what distance will this smaller plane reach its takeoff speed?

A. $300 \mathrm{~m}$

B. $600 \mathrm{~m}$

C. $900 \mathrm{~m}$

D. $1200 \mathrm{~m}$

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