\left\{ \begin{array} { l } { V _ { 0 } + V _ { t } = \frac { 40 } { 3 } } \\ { \frac { V _ { t } ^ { 2 } - V _ { 0 } ^ { 2 } } { 2 \times 9.8 } = 2.2 } \end{array} \right.
Solve for V_0, V_t
V_{0}=\frac{7\sqrt{307930}}{1395}-\frac{200}{279}\approx 2.067670864\text{, }V_{t}=-\frac{7\sqrt{307930}}{1395}+\frac{3920}{279}\approx 11.26566247
V_{0}=-\frac{7\sqrt{307930}}{1395}-\frac{200}{279}\approx -3.50136262\text{, }V_{t}=\frac{7\sqrt{307930}}{1395}+\frac{3920}{279}\approx 16.834695953
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