Hello! I'm writing a composition for string quartet, and are unsure of a piece to that should be played by cello. Tempo should be around 85 BPM and the question is whether a cellist have time to play 16th notes and change positioning so quickly?

Here you can see notes for cello piece:
http://imageshack.co...3/8325/vv9i.png


<Added>

Sorry Here is the right link:
http://imageshack.com/i/jtvv9ip