The bulk modulus of water is $2.2 \times 10^9\ \text{Pa}$. The extra pressure needed to squeeze a sample of water into a volume $0.1\%$ smaller, and the depth in the sea (density about $1000\ \text{kg/m}^3$, $g = 10\ \text{m/s}^2$) at which water feels this much extra pressure, are