Answer
Please see the work below.
Work Step by Step
We know that
$g=\frac{2y}{t^2}$
We plug in the known values to obtain:
$g=\frac{2(9.8)(1.70)}{(0.95)^2}$
$g=3.77\frac{m}{s^2}$
So, the required planet is Mars.
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