Be careful though as trying to do the form "with power and speed" might just make you revert to external strength (muscular contraction) which Taiji is specifically designed to move away from.
It's good to see people from the internal arts that try to keep it martial. I completely agree with JGW on the subject of alive training, I think it's missing in aikido as well and once I'll feel more confident with the kata (so much to learn...) I'll incorporate that element into my practice.
An example you could definitely draw inspiration from (with some beautiful moments such as the one at 1:18):
It's good to see people from the internal arts that try to keep it martial. I completely agree with JGW on the subject of alive training, I think it's missing in aikido as well and once I'll feel more confident with the kata (so much to learn...) I'll incorporate that element into my practice.
An example you could definitely draw inspiration from (with some beautiful moments such as the one at 1:18):