Answer:
What is harder to catch the faster you run?
What word when read from left to right is a ruler, but when read from right to left is a servant?
I go in hard, come out soft. Blow me hard and I'll make a pop. What am I?
You use a knife to slice my head and weep beside me when I am dead.
Never ahead, ever behind, yet flying swiftly past, for a child, I last forever, for adults, I'm gone too fast.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?