The equation \(y = -4.9t^2 + 23.8t - 35.7\) describes the height (in meters) of a projectile launched from a certain height above the ground at 23.8 meters per second. In how many seconds will the projectile first reach the ground? Express your answer as a decimal rounded to the nearest hundredth.

### Let's think step by step and output the final answer within \boxed{}.
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