high/low speed
He was travelling at a speed of 90 mph.
The car has a top speed of 155 miles per hour.
You should lower/reduce your speed as you approach a junction.
On a clear, straight road you can gather/pick up speed.
It was the speed at which it all happened that shocked me.
So we left at full speed!!! (Preliminary English Test; B1; Spanish)
I get a real thrill from speed.
He put on a sudden burst of speed.
Both cars were travelling at speed when the accident happened.
Every summer I go to watersports because I like water. I'm very good at swimming and I like the speed of some watersports. (First Certificate in English; B2; Greek)
The course should bring you up to speed with the latest techniques.
Apart [from] this you can keep yourself up to speed with what's happening around the world on various fronts. (International English Language Testing System; C1; Urdu)
She was caught exceeding the speed limit.
There are three ground rules you have to follow: stop at stop-signs, don't exceed the speed limit and don't be in the way of other cars. (Certificate in Advanced English; C1; Swedish)