From bd2ce0e980ae1782bd772d0374049cb183a7fcaf Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Tue, 11 Nov 2025 20:30:56 +0100
Subject: progress

---
 typst/main.typ | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/typst/main.typ b/typst/main.typ
index fc1dcd8..7d9c539 100644
--- a/typst/main.typ
+++ b/typst/main.typ
@@ -94,7 +94,13 @@ than the possibly more correct value by Proudman and Pearson@proudman_pearson_19
 //$ F = F_S ( 1 + (3/8)"Re" + (9/40)("Re")^2 * (log "Re" + gamma + (5/3) log 2 - (323/360)) + (27/80)*"Re"^3 log "Re" ) $
 //)
 
-Using spherical coordinates $(r,theta,phi.alt)$
+Using spherical coordinates $(r,theta,phi.alt)$ and no external force we receive the velocity components
+
+#math.equation(
+block: true,
+$ v_r = U cos theta (1- (3r)/(2a) + r^3 / (2a^3)) $
+)
+
 
 Do the analitical derivation from sphere and stokes here TODO
 
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