So, I have an arc that's part of a circle that I must "travel across".
The circle has a radius of $15$ - a circumference of $94.248$ (rounding). The arc length in question is equal to $15.708$.
Now, normally, you could sort of walk along the arc, turning with it. But, if I could only travel straight, I need to know how I would get from one part of the arc to $15.708$ units later in the arc of the circle (only being able to travel straight, or make $90$ degree turns).