A speed of 14 meters per second is the same as :

50.4 km/hr 28 km/hr 70 km/hr 46.6 km/hr

50.4 km/hr

*Note*  In order to convert km/hr to m/s - multiply by  \(\frac{ 5}{ 18}\) In order to convert m/s to kn/hr - multiply by  \(\frac{ 18}{ 5}\) Thus, 14 x \(\frac{18 }{5 }\) = 50.4 km/hr