Starting with a one-letter word, add a letter and rearrange the letters to produce the next word. A clue is given for each.

Maybe your car can do 0 to 60 in 10 seconds, but can you do 0 to 10 in 60 seconds? Get out the stopwatch! This one is a little easier than the previous ones ...

The hint gives the starting letters of the even numbered words.

1. Roman one
2. Ratio of 'circumference : diameter' for circles
3. Edible homonym of #2
4. Long poem or film about heroic deeds
5. 'There's a _____ on his head' (a reward)
6. Give the main points of a story
7. Contents of Cordon Bleu book
8. Money taken in from sales
9. Likely to cause the most unpleasant sensations of fear
10. Particular, belonging separately to each