Rewrite this sentence using (It) ate the beginning. As it was moving with great speed downhill its driver had difficulty trying to stop it. Thankyou

2 answers

You could start "It was moving . . ." and insert "and" between the two clauses.
Here is another option by adding a comma.

As it was moving with great speed downhill, its driver had difficulty trying to stop it.

I hope this helps a little more. Thanks for asking.