The phrase "a certain amount of speed" is correct and usable in written English.
It can be used when discussing a specific but unspecified quantity of speed in various contexts, such as physics, sports, or driving.
Example: "To complete the race successfully, the athlete maintained a certain amount of speed throughout the course."
Alternatives: "a specific level of speed" or "a particular degree of speed".
To leave the surface of any planet, you need a certain amount of speed.
You could always change some rules like: Both player start with a speed counter before the duel begins, if a player's speed counters reach zero with speed world 2 he loses the duel, time limits, a player needs a certain amount of speed counters to activate trap cards during the battle phase.
The air will only put up with a certain amount of speeding up and slowing down before eventually it gets too stressed and won't hang on to the surface any more.
This is almost like a national weekly quota: write a certain amount of speeding tickets, harass a certain number of minorities, and kill two African Americans.
Is this a memory issue with Windows XP? Google Earth is a wonderful program for exploring the world, but it does require a certain amount of memory, network speed, hard-drive space and a compatible graphics card to run properly.
Its older "unlimited" data plans, which are still being offered, allow customers to consume only a certain amount of bytes before the connection speed is slowed.
The engine management systems of 11 million cars had a clever little piece of coding that would detect when the vehicle was travelling at a certain constant speed for a certain amount of time.
Apart from the space required to install game files on a computer, each version of Need for Speed requires a certain amount of hard disk space to be available to properly run all the features of the game.
In addition, close collaboration with hardware developers allows the team of Simics engineers to perform a certain amount of validation of early hardware specifications, thus speeding up the hardware development process as well.
Dykstra was an emerging player who helped the Mets win the 1986 World Series, and he played center field with speed, skill and a certain amount of abandon.
Once or twice a day, the 16 auto teams and the eight motorcycle entrants in our class will compete in "time-speed-distance" events, where we will have to make it from point A to point B in a certain amount of time, while traveling past checkpoints at predetermined speeds.
