A liquid rocket engine burns propellant producing thrust $F = 150\text{ kN}$ at a total propellant mass flow rate $\dot{m} = 50\text{ kg/s}$. What is the specific impulse $I_{sp}$ (in seconds)? (Take standard gravitational acceleration $g_0 = 9.81\text{ m/s}^2$, round to one decimal place).