<|system|>
Consider the initial value problem
$$
y^{\prime \prime}+\gamma y^{\prime}+y=\delta(t-1), \quad y(0)=0, \quad y^{\prime}(0)=0,
$$
where $\gamma$ is the damping coefficient (or resistance).
Find the time $t_1$ at which the solution attains its maximum value.</s>.
<|user|>
Can you answer based on context?
<|assistant|>
2.3613