Anna checks her Facebook account where her birthday is shown as Jan 22nd. However, on a couple of occasions, she is shown to be checking her newspaper horoscope under the 'Taurus' section. A person born on Jan 22nd is a Capricorn/Aquarius cusp.
When Sam Kerrest speeds up to save Anna, it sounds like he is speeding up but outside the window the environment goes with the same speed as before.