A pendulum is 0.6 m long and the bob has a m of 1.0 kg. At the bottom of its swing, the bob's speed is...?

A pendulum is 0.6 m long and the bob has a m of 1.0 kg. At the bottom of its swing, the bob's speed is 1.7 m/s. What is the tension in the string at the bottom of the swing?