This dinosaur was swift, but not as fast or as smart as in "Jurassic Park"; it did have that scary sickle-like claw, though
Instead, the sickle claws would have been used to hook into prey, and 'latch on' ... 
Jurassic Park: New research on how the dinosaurs would have 'hooked' their ... '
A long metatarsus lets you take bigger strides to run faster; but in ... and does not 
need to be as powerful or vigorous as full flight would require.