# Question #9e4d2

##### 1 Answer
Jan 27, 2018

OK, two equations and we can do it.

#### Explanation:

Firstly, we know speed = dist/time and secondly as it is travelling in a circle the distance is just $2 \pi r$.

2nd bit first:

Distance = $2 \pi \times 18 = 113.1$m

1st bit second:

Speed = dist/ time = $\frac{113.1}{6} = 18.85$ m/s

All sorted =)