We can use the formula:
$$a = \frac{v_f - v_i}{t}$$
where $a$ is the acceleration, $v_f$ is the final velocity (162 m/s), $v_i$ is the initial velocity (85 m/s), and $t$ is the time (10.0 s).
$$a = \frac{162 - 85}{10} = \frac{77}{10} = 7.7 \,
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