Answer:
What goes further the slower it goes?
My life can be measured in hours. I serve by being devoured. Thin, I am quick. Fat, I am slow. Wind is my foe.
I run through hills. I veer around mountains. I leap over rivers. And crawl through the forests. Step out your door to find me.
What lies in a tunnel of darkness. That can only attack when pulled back?
A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?