The equation that we can use in this case is:
y = v0 t + 0.5 a t^2
where, y is the height, v0 is initial velocity = 0, t is time, a is acceleration so that:
y = 0 + 0.5 * (300 m/s^2) * (7 s)^2
y = 7350 m
9.5m questions
12.2m answers