395,000 meters in 9000

43.88 meters per second

Explanation:

The computation of the speed is shown below:

As we know that

where,

Distance is 395,000 meters

Time is 9,000 seconds

Now placing these values to the formula

So, the speed is

= 43.88 meters per second

As speed shows the relation between the distance and time and the same is to be considered i.e by applying the formula

because growing process had stoped after 4-5 year