If you wish to develop your level of speed and strength, you have to train in a correct way. It is not that important how much you train, it is important that you do it in a certain way. Some people can really train hard and their results are not so good while somebody can train much rarer and their results are much better.
You have to learn how to achieve the best results in the shortest possible time and in order to do that, you have to have the right knowledge about strength and speed training.
Strength training is about building your strength, endurance and size of your muscles. There are so many different methods of this training and the results differ. The benefits of correctly derived training are huge. Your muscle, bone, ligament and overall strength are increased. Potential for injury is highly reduced if you follow the right training instructions and the risk of many diseases is reduced. Strength training should increase your power and force production.
Speed training is abut your ability to reach high speed in whatever mode of movement. Speed endurance is also very important for this segment. In some disciplines, speed endurance is more important than your maximum speed. There is also agility. Do not underestimate this ability because the agility allows to change direction frequently and brake and accelerate more explosively. Acceleration is often more important than speed, but in order to develop your speed level you must develop all this three abilities separately.
The benefits of the strength and speed training are high but it can be also very bad if you do not do it in the right and correct way. If you invest your time in your training, you should also invest some time in learning the right principles of exercising. After you do that you can expect highly increasing in your level of strength and speed.
You can read all the information you need to start your successful strength and speed training on this site.