Answer
To convert from kilometers per hour to meters per second, just multiply the rate in kilometers per hour by $\dfrac{1000\text{ meters per km}}{3600\text{ seconds per hour}}$
Work Step by Step
Note that there are:
1000 meters in a kilometer
3600 seconds in an hour.
Thus, to convert from kilometers per hour to meters per second, just multiply the rate in kilometers per hour by $\dfrac{1000\text{ meters per km}}{3600\text{ seconds per hour}}$
