Respuesta :

Answer:

16.7 m/s

Step-by-step explanation:

speed is always in units meters/seconds.

To get this unit, we need to convert the data into the right units.

30 km * 1000m = 30000 m

30 minutes * 60 seconds = 1800 seconds

30000 m / 1800 sec = 16.7 m/s